2440444243 has 4 divisors (see below), whose sum is σ = 2465603560. Its totient is φ = 2415284928.

The previous prime is 2440444241. The next prime is 2440444283. The reversal of 2440444243 is 3424440442.

2440444243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424440442 = 2 ⋅1712220221.

It is a cyclic number.

It is not a de Polignac number, because 2440444243 - 2¹ = 2440444241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440444241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12579513 + ... + 12579706.

It is an arithmetic number, because the mean of its divisors is an integer number (616400890).

Almost surely, 2^2440444243 is an apocalyptic number.

2440444243 is a deficient number, since it is larger than the sum of its proper divisors (25159317).

2440444243 is an equidigital number, since it uses as much as digits as its factorization.

2440444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25159316.

The product of its (nonzero) digits is 49152, while the sum is 31.

The square root of 2440444243 is about 49400.8526545848. The cubic root of 2440444243 is about 1346.3447977680.

Adding to 2440444243 its reverse (3424440442), we get a palindrome (5864884685).

The spelling of 2440444243 in words is "two billion, four hundred forty million, four hundred forty-four thousand, two hundred forty-three".